I think the clearest sales pitch comes from this post from the author of Trio, which is an implementation of structured concurrency for Python: https://vorpus.org/blog/notes-on-structured-concurrency-or-g... .

Thank you. So it's more or less running (certain specified) function calls in parallel? Sounds nice, but what happens to upward funargs? I assume first-class continuations are right out ...

Perhaps java's related JEPs could be a good starting point?

https://openjdk.org/jeps/505

There are also related discussions on other platforms that are worthy to read.